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<html>

<head>
    <title>Cobalt Telemetry Test</title>
    <script src='black_box_js_test_utils.js'></script>
</head>

<body>
    <script>
        const metrics = window.h5vcc.metrics;
        const EVENT_INTERVAL_SECS = 5;
        let lastMetricType = '';
        let lastPayload = '';
        let payloadCount = 0;

        function metricEventHandler(metricType, payload) {
            lastMetricType = metricType;
            lastPayload = payload;
            payloadCount++;
        }

        function initTelemetry() {
            metrics.enable();
            metrics.setMetricEventInterval(EVENT_INTERVAL_SECS);
            metrics.onMetricEvent(metricEventHandler);
        }
        window.onload = function () {
            initTelemetry();

            setupFinished();

            setTimeout(() => {
                assertTrue(metrics.isEnabled(), 'metrics should be enabled');
                assertEqual('COBALT_UMA', lastMetricType, 'metricType should be uma');
                assertTrue(lastPayload.length > 0, 'payload should be non-empty');
                assertEqual(1, payloadCount, 'only one payload sent');
            }, 4000);

            setTimeout(() => {
                assertEqual('COBALT_UMA', lastMetricType, 'metricType should be uma');
                assertTrue(lastPayload.length > 0, 'payload should be non-empty');
                assertEqual(2, payloadCount, 'two payloads sent');

                metrics.disable();

                setTimeout(() => {
                    assertFalse(metrics.isEnabled(), 'should disable metrics');
                    onEndTest();
                }, 1000);
            }, 11000);
        }
    </script>
</body>

</html>